000 00269nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bTYA
100 _aTyagi, Gursharan Das
245 0 _aSuksham Adhyapan Avam Shikshan
260 _bVinod
300 _a304
942 _cBK
999 _c414
_d414